NAVAL medicine is once again faced with an influx of war-wounded. Extensive traumatic and reconstructive surgery has been necessary for the proper treatment of many of these wounded. The specific problems of bone replacement and skin coverage of the large wounds suggested that stored bone and skin would be useful in selected cases. A tissue bank was therefore established as a research project at the Naval Medical School for the purpose of developing methods of tissue procurement, processing and storage. The facilities of the Naval Medical Research Institute for the study of animals were used for experimental surgical evaluation, while the pertinent service of the Naval Hospital, Bethesda, Md., was utilized for investigation of patients. This paper is a report on the status of the research project to date. In the past six years frozen bone grafts have been proved to be of value by various investigators. Wilson1 has